Butch Wilmore and Suni Williams left the International Space Station after nine months in space, checking out with two other astronauts. Their SpaceX capsule parachuted into the Gulf of Mexico in the early evening,

Ripple Labs said on Wednesday the U.S. Securities and Exchange Commission ended its appeal from a court ruling that the regulator's prior chief had said would make it harder to oversee cryptocurrency markets.

For decades, scientists have had better maps of the Moon and Mars than of Earth’s own ocean floor. But thanks to NASA’s Surface Water and Ocean Topography (SWOT) satellite, a groundbreaking new space-based map of the seafloor is changing that.